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  2. Metric system - Wikipedia

    en.wikipedia.org/wiki/Metric_system

    For example, a length that is significantly longer or shorter than 1 metre can be represented in units that are a power of 10 or 1000 metres. This differs from many older systems in which the ratio of different units varied. For example, 12 inches is one foot, but the larger unit in the same system, the mile is not a power of 12 feet. It is ...

  3. Average human height by country - Wikipedia

    en.wikipedia.org/wiki/Average_human_height_by...

    175.6 cm (5 ft 9 in) 161.8 cm (5 ft 3 + 1 ⁄ 2 in) 1.09: 18+ 100.0%: Measured: 2011–2012 [18] Austria: 179 cm (5 ft 10 + 1 ⁄ 2 in) 166 cm (5 ft 5 + 1 ⁄ 2 in) 1.08: 20–49: 54.3%: Measured: 2006 [19] Azerbaijan: 171.8 cm (5 ft 7 + 1 ⁄ 2 in) 165.4 cm (5 ft 5 in) 1.04: 16+ 100.0%: Measured: 2005 [20] Bahrain: 171 cm (5 ft 7 + 1 ⁄ 2 in ...

  4. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    An adult human foot is about 28 cm (11 in) long. The decimetre ( SI symbol: dm ) is a unit of length in the metric system equal to 10 −1 metres ( ⁠ 1 / 10 ⁠ m = 0.1 m ). To help compare different orders of magnitude , this section lists lengths between 10 centimeters and 100 centimeters (10 −1 meter and 1 meter).

  5. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    Legally defined as 1.033 English feet in 1859 ≈ 0.314 858 m: foot (Clarke's) (H) ft (Cla) ≈ 0.304 797 2654 m: foot (Indian) (H) ft Ind ≈ 0.304 799 514 m: foot, metric: mf ≡ 300 mm ≡ 0.3 m foot, metric (Mesures usuelles) (H) ≡ 1 ⁄ 3 m ≡ 0. 3 m foot (International) ft ≡ 0.3048 m ≡ 1 ⁄ 3 yd ≡ 12 inches ≡ 0.3048 m foot ...

  6. Centimetre - Wikipedia

    en.wikipedia.org/wiki/Centimetre

    Different lengths as in respect to the electromagnetic spectrum, measured by the metre and its derived scales.The microwave is in-between 1 meter to 1 millimeter.. A centimetre or centimeter (US/Philippine spelling), with SI symbol cm, is a unit of length in the International System of Units (SI) equal to one hundredth of a metre, centi being the SI prefix for a factor of ⁠ 1 / 100 ⁠. [1]

  7. Sri Lankan units of measurement - Wikipedia

    en.wikipedia.org/.../Sri_Lankan_units_of_measurement

    A number of different units of measurement were used in Sri Lanka to measure quantities like length, mass and capacity from very ancient times. [1] Under the British Empire, imperial units became the official units of measurement [2] and remained so until Sri Lanka adopted the metric system in the 1970s. [3] [4]

  8. List of metric units - Wikipedia

    en.wikipedia.org/wiki/List_of_metric_units

    The centimetre–gram–second system of units (CGS) is based on three base units: centimetre, gram and second. Its subsystems (CGS-ESU, CGS-EMU and CGS-Gaussian) have different defining equations for their systems of quantities for defining electromagnetic quantities and hence the associated units, with CGS-Gaussian units being selected from each of the other two subsystems.

  9. Tree girth measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_girth_measurement

    The Tule tree has a diameter of 38 feet 1.4 inches (1,161.8 cm) as measured by tape wrap, but because of its irregularity a cross-sectional wood area expressed as a circle gave an effective diameter of only 30 feet 9 inches (937 cm). The base of the tree was mapped in three dimensions using a frame mapping technique.